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Derivative and Credit-Related Financial Instruments (Schedule of the Effects of Fair Value Hedging on the Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Effects of fair value hedging on the Consolidated Statements o Comprehensive Income [Line Items] |  |  |  |  |
Total interest on medium- and long-term debt | [1] | $ 124 | $ 110 | $ 241 | $ 167
Swaps - fair value - receive fixed/pay floating | Risk management purposes | Interest rate swap |  |  |  |  |
Effects of fair value hedging on the Consolidated Statements o Comprehensive Income [Line Items] |  |  |  |  |
Hedged items |  | 87 | 79 | 168 | 120
Derivatives designated as hedging instruments |  | $ 37 | $ 31 | $ 73 | $ 47
[1] | Includes the effects of hedging.

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